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An adapting , trait-based ecosystem model for phytoplankton succession

An adapting , trait-based ecosystem model for phytoplankton succession. Jorn Bruggeman 1 , Agostino Merico 2 , Ursula Gaedke 3 , Bas Kooijman 1 , Kai Wirtz 2

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An adapting , trait-based ecosystem model for phytoplankton succession

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  1. Anadapting, trait-basedecosystem model forphytoplanktonsuccession Jorn Bruggeman1, Agostino Merico2, Ursula Gaedke3, Bas Kooijman1, Kai Wirtz2 1VrijeUniversiteit Amsterdam, The Netherlands, 2 GKSS Institute for Coastal Research, Germany, 3Universität Potsdam, Germany

  2. Site: Lake Constance 10 km

  3. Site: the ecosystem

  4. Site: observations

  5. Trait-based model for succession abundance trait probability density trait

  6. Linking model and observations identify traits and trade-offs database parameter values of individual species field/laboratory trait-based model bulk variables abundances of individual species bulk variables trait mean and variance reconstruct species abundances

  7. Phytoplankton database

  8. Identifying traits and trade-offs

  9. A single population phytoplankton effective length - - biomass nutrient maintenance biomass mortality zooplankton

  10. Seasonal cycle: biomass

  11. Seasonal cycle: trait distribution Biomass: Mean ± s.d.: Size distribution:

  12. Reconstructing individual species

  13. Perspectives • Multi-annual time series • Vertical space • > 1 traits

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